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# bootstat command
type bootstat, domain;
type bootstat_exec, system_file_type, exec_type, file_type;
read_runtime_log_tags(bootstat)
# Allow persistent storage in /data/misc/bootstat.
allow bootstat bootstat_data_file:dir rw_dir_perms;
allow bootstat bootstat_data_file:file create_file_perms;
# Collect metrics on boot time created by init
get_prop(bootstat, boottime_prop)
# Read/Write [persist.]sys.boot.reason and ro.boot.bootreason (write if empty)
set_prop(bootstat, bootloader_boot_reason_prop)
set_prop(bootstat, system_boot_reason_prop)
set_prop(bootstat, last_boot_reason_prop)
# ToDo: TBI move access for the following to a system health HAL
# Allow access to /sys/fs/pstore/ and syslog
allow bootstat pstorefs:dir search;
allow bootstat pstorefs:file r_file_perms;
allow bootstat kernel:system syslog_read;
# Allow access to reading the logs to read aspects of system health
read_logd(bootstat)
# Allow bootstat write to statsd.
unix_socket_send(bootstat, statsdw, statsd)
# ToDo: end
neverallow {
domain
-bootanim
-bootstat
-dumpstate
-init
-recovery
-shell
-system_server
} { bootloader_boot_reason_prop last_boot_reason_prop }:file r_file_perms;
# ... and refine, as these components should not set the last boot reason
neverallow { bootanim recovery } last_boot_reason_prop:file r_file_perms;
neverallow {
domain
-bootstat
-init
-system_server
} { bootloader_boot_reason_prop last_boot_reason_prop }:property_service set;
# ... and refine ... for a ro propertly no less ... keep this _tight_
neverallow system_server bootloader_boot_reason_prop:property_service set;
neverallow {
domain
-bootstat
-init
} system_boot_reason_prop:property_service set;